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If your car blows A LOT of white smoke out the tailpipe and it smells sweet, your coolant is probably seeping into the motor through a leak in the head gasket. Check the inside of your oil cap for whitish sludge - this indicates coolant in the oil and usually verifies a head gasket leak.

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โˆ™ 2015-07-16 18:21:51
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Q: If a 2001 Ford Focus runs out of antifreeze quickly and the heat turns to cold when this happens you but there is no leak what else could be wrong?
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wash it out quickly, bugs carry germs that could kill you

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Will a thermostat cause the car to overheat?

Thermostats determine when antifreeze enters the main cooling system. If the thermostat isn't working correctly, the antifreeze could enter the engine to late, (or not at all) resulting in an over heating engine. Another problem of having antifreeze enter the engine late, is that if your engine is very hot, possibly a little warmer than common, when the antifreeze enters the engine, the cold fluid could cause the engine block to cool down quickly, causing a cracked engine block.

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Could be a few things. Does it leak antifreeze? if so, fix the part that leaks. If not, you could have coolant mixing with oil inside the engine, which burns it. check your spark plugs. If they are white, you are probably burning antifreeze - fix immediately. your exhaust will smell "sweet" as well if you are burning antifreeze.

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